OEMETOL 556 is a high performance machining oil based on synthetic ester oils. The product contains special AW- and EP- additives for enhanced tool life in heavy duty machining.


  • Free from heavy metals, zinc, and chlorine
  • Very broad application area (tuning, drilling, milling, grinding, etc.)
  • Recommended for demanding machining operations such as deep drilling, thread tapping, honing and CBN-grinding
  • Outstanding lubricating performance results in low tool wear and increased machine productivity
  • Good swarf and heat transfer due to low viscosity
  • Very good foaming characteristics
  • Excellent air release behaviour
  • Low emission (Noack at 250°C: 18.4%)


  • Applicationsunmixed as machining oil, Viscosity 10 mm²/s
  • Compatibility of materialsGrey Cast Iron, Steel, Stainless Steel, Aluminium
  • Fields of applicationgrinding, turning, drilling, milling, deep drilling, honing


Recommended applications


High dynamics requires very good foaming chracteristics. High flushing power ensures reliable swarf removal. Very good cooling effect prevents workpiece burning.


High demands on the wetting and rinsing performance. Good foaming characteristics ensures reliable processes.